Which airports can I use when flying from Buffalo to Ontario?

Flights from Buffalo to Ontario usually depart from Buffalo (BUF) and arrive at Ontario (ONT).

Which cabin classes can I book on flights from Buffalo to Ontario?

Only Economy Class is available on flights from Buffalo to Ontario.

Which airports do connecting flights from Buffalo to Ontario pass through?

One-stop flights from Buffalo to Ontario most commonly connect through: • Dallas/Fort Worth (DFW) – 46% of one-stop connections • Denver Intl (DEN) – 19% of one-stop connections • Baltimore/Washington (BWI) – 15% of one-stop connections • Chicago Midway (MDW) – 12% of one-stop connections Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

Can I save money by using flexible dates for flights from Buffalo to Ontario?

On the Buffalo to Ontario route, being flexible with your departure day can save you up to 63%. Saturday is the cheapest day at C$ 431 round-trip on average, while Monday is the most expensive at C$ 1,148 – a C$ 717 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Which popular places can I visit in Ontario?

Ontario Convention Center is one of the most viewed places in Ontario on KAYAK.

How long does a flight from Buffalo to Ontario take?

A direct flight from Buffalo to Ontario takes 0h 00m, covering 5,612 km.

Do I need a passport to fly from Buffalo to Ontario?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Have flight prices from Buffalo to Ontario changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 518 to C$ 4,872. That means the highest observed fare was about 9x higher than the lowest one.

How are flight prices from Buffalo to Ontario looking right now?

One-way fares from Buffalo to Ontario are currently higher than usual. Average one-way flight prices are about C$ 393, which is 17% above the typical average for this route.

How much time can I save by choosing a different layover airport when travelling from Buffalo to Ontario?

Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 37m, compared with 7h 53m via Chicago Midway (MDW) and 8h 10m via Baltimore/Washington (BWI).

What is the time difference between Buffalo and Ontario?

Ontario is 3 hours behind Buffalo (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Ontario Airport (ONT)?

Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around C$ 25 for economy cars. Top options include: • Fox • Thrifty • Europcar • Dollar • Alamo

How much should I expect to pay for a Buffalo to Ontario flight?

Round-trip flights from Buffalo to Ontario range from C$ 528 to C$ 911, with an average of C$ 742 over the past 12 months. Anything below C$ 528 counts as a good deal.

What is the cheapest airline to fly from Buffalo to Ontario?

American Airlines (C$ 518) and Delta (C$ 528) are the cheapest airlines to fly round-trip from Buffalo to Ontario according to KAYAK data over the last 5 days.

What is the most popular layover airport when flying from Buffalo to Ontario?

Dallas/Fort Worth (DFW) is the most popular layover for the Buffalo to Ontario route. 46% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via DFW.

What is the cheapest layover airport when flying from Buffalo to Ontario?

Flights via Chicago Midway (MDW) offer the most affordable fares, with an average round-trip price of C$ 525. Based on KAYAK data over the past 3 months.

When flying from Buffalo to Ontario, which airport offers the shortest layover?

Denver Intl (DEN) had the shortest average connection time for Buffalo to Ontario layovers at 276 minutes over the past 3 months.

C$ 266 CHEAP FLIGHTS from Buffalo to Ontario (BUF - ONT)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

C$ 518

Typical prices: C$ 528-C$ 911

American Airlines

Wed 14/11Wed 5/12

BUF - ONT • 2 stops

Cheapest one-way flights

C$ 266

Typical prices: C$ 293-C$ 593

Delta

Wed 31/10

BUF - ONT • 1 stop

Direct flights

Not available

There are currently no direct flights between Buffalo and Ontario. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

October

Cheapest • 42% price drop

September

Most popular

Good to know

Top layover airports

Chicago Midway (MDW)

Cheapest • Avg C$ 525 (round-trip)

Denver Intl (DEN)

Shortest trip • 7h 37m (one-way)

Insights

Start a new search

KAYAK searches hundreds of sites at once to find you the best travel deals.

We hope you enjoy your trip to Ontario!

Flight Deals

Cheap Flights from Buffalo to Ontario (BUF-ONT)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Buffalo to Ontario

Sat, 14 Nov - Sat, 5 Dec

7:14 a.m. - 6:10 p.m.BUF Buffalo-ONT Ontario

13h 56m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

10:30 p.m. - 10:40 a.m.ONT Ontario-BUF Buffalo

9h 10m1 stop Charlotte Douglas

C$ 518American Airlines

Sat, 14 Nov - Sat, 5 Dec

6:00 a.m. - 11:03 a.m.BUF Buffalo-ONT Ontario

8h 03m1 stop Atlanta Hartsfield-Jackson

12:20 p.m. - 12:04 a.m.ONT Ontario-BUF Buffalo

8h 44m1 stop Atlanta Hartsfield-Jackson

C$ 528Delta

Wed, 11 Nov - Thu, 3 Dec

7:14 a.m. - 11:52 a.m.BUF Buffalo-ONT Ontario

7h 38m1 stop Dallas/Fort Worth

10:30 p.m. - 10:40 a.m.ONT Ontario-BUF Buffalo

9h 10m1 stop Charlotte Douglas

C$ 530American Airlines

Tue, 10 Nov - Tue, 1 Dec

7:14 a.m. - 11:52 a.m.BUF Buffalo-ONT Ontario

7h 38m1 stop Dallas/Fort Worth

7:45 p.m. - 10:48 a.m.ONT Ontario-BUF Buffalo

12h 03m2 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl

C$ 537American Airlines

Wed, 11 Nov - Thu, 3 Dec

3:55 p.m. - 11:49 p.m.BUF Buffalo-ONT Ontario

10h 54m2 stops Detroit Metropolitan Wayne County Salt Lake City

11:08 p.m. - 11:05 a.m.ONT Ontario-BUF Buffalo

8h 57m1 stop Atlanta Hartsfield-Jackson

C$ 538Delta

Wed, 11 Nov - Thu, 3 Dec

2:00 p.m. - 11:51 p.m.BUF Buffalo-ONT Ontario

12h 51m2 stops Atlanta Hartsfield-Jackson Denver Intl

2:47 p.m. - 12:19 p.m.ONT Ontario-BUF Buffalo

18h 32m2 stops Las Vegas Harry Reid Intl Atlanta Hartsfield-Jackson

C$ 545Frontier

Mon, 19 Oct - Sat, 24 Oct

7:30 p.m. - 11:55 p.m.BUF Buffalo-ONT Ontario

7h 25m1 stop Las Vegas Harry Reid Intl

5:30 a.m. - 4:20 p.m.ONT Ontario-BUF Buffalo

7h 50m1 stop Phoenix Sky Harbor Intl

C$ 554Southwest

Fri, 23 Oct - Wed, 28 Oct

3:53 p.m. - 11:55 p.m.BUF Buffalo-ONT Ontario

11h 02m2 stops Detroit Metropolitan Wayne County Salt Lake City

12:16 p.m. - 11:59 p.m.ONT Ontario-BUF Buffalo

8h 43m1 stop Atlanta Hartsfield-Jackson

C$ 561Delta

Fri, 23 Oct - Wed, 28 Oct

3:53 p.m. - 11:55 p.m.BUF Buffalo-ONT Ontario

11h 02m2 stops Detroit Metropolitan Wayne County Salt Lake City

12:16 p.m. - 11:59 p.m.ONT Ontario-BUF Buffalo

8h 43m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

C$ 568Delta

Thu, 22 Oct - Tue, 27 Oct

4:50 p.m. - 11:50 p.m.BUF Buffalo-ONT Ontario

10h 00m2 stops Denver Intl Phoenix Sky Harbor Intl

7:20 p.m. - 8:25 a.m.ONT Ontario-BUF Buffalo

10h 05m2 stops Phoenix Sky Harbor Intl Baltimore/Washington

C$ 617Southwest

Recent last minute flight deals from Buffalo to Ontario

Tue, 29 Sep - Thu, 1 Oct

6:51 p.m. - 6:16 p.m.BUF Buffalo-ONT Ontario

26h 25m2 stops Orlando Dallas/Fort Worth

11:45 a.m. - 12:55 p.m.ONT Ontario-BUF Buffalo

22h 10m2 stops Denver Intl Atlanta Hartsfield-Jackson

C$ 1,244Frontier

Mon, 28 Sep - Mon, 5 Oct

5:45 p.m. - 10:49 p.m.BUF Buffalo-ONT Ontario

8h 04m1 stop Chicago O'Hare Intl

6:32 p.m. - 9:29 a.m.ONT Ontario-BUF Buffalo

11h 57m2 stops San Francisco Chicago O'Hare Intl

C$ 1,264United Airlines

Mon, 28 Sep - Wed, 30 Sep

1:40 p.m. - 10:30 a.m.BUF Buffalo-ONT Ontario

23h 50m2 stops Atlanta Hartsfield-Jackson Denver Intl

2:30 p.m. - 5:45 p.m.ONT Ontario-BUF Buffalo

24h 15m2 stops Las Vegas Harry Reid Intl Orlando

C$ 1,309Frontier

Fri, 25 Sep - Mon, 28 Sep

1:40 p.m. - 10:30 a.m.BUF Buffalo-ONT Ontario

23h 50m2 stops Atlanta Hartsfield-Jackson Denver Intl

7:46 p.m. - 5:49 p.m.ONT Ontario-BUF Buffalo

19h 03m2 stops Dallas/Fort Worth Orlando

C$ 1,426Frontier

Sat, 26 Sep - Sun, 4 Oct

1:45 p.m. - 11:47 p.m.BUF Buffalo-ONT Ontario

13h 02m2 stops Atlanta Hartsfield-Jackson Denver Intl

11:45 a.m. - 12:55 p.m.ONT Ontario-BUF Buffalo

22h 10m2 stops Denver Intl Atlanta Hartsfield-Jackson

C$ 1,454Frontier

Sun, 27 Sep - Tue, 29 Sep

12:49 p.m. - 11:47 p.m.BUF Buffalo-ONT Ontario

13h 58m2 stops Orlando Denver Intl

6:15 a.m. - 12:55 p.m.ONT Ontario-BUF Buffalo

27h 40m2 stops Denver Intl Atlanta Hartsfield-Jackson

C$ 1,503Frontier

Fri, 25 Sep - Mon, 28 Sep

8:45 a.m. - 12:46 p.m.BUF Buffalo-ONT Ontario

7h 01m1 stop Denver Intl

7:00 a.m. - 4:43 p.m.ONT Ontario-BUF Buffalo

6h 43m1 stop Chicago O'Hare Intl

C$ 1,546United Airlines

Fri, 25 Sep - Mon, 28 Sep

11:45 a.m. - 4:10 p.m.BUF Buffalo-ONT Ontario

7h 25m1 stop Chicago Midway

11:55 p.m. - 12:30 p.m.ONT Ontario-BUF Buffalo

9h 35m2 stops Chicago Midway Baltimore/Washington

C$ 1,553Southwest

Fri, 25 Sep - Mon, 28 Sep

8:41 a.m. - 4:16 p.m.BUF Buffalo-ONT Ontario

10h 35m1 stop Chicago Midway

12:01 a.m. - 11:26 a.m.ONT Ontario-BUF Buffalo

8h 25m1 stop Chicago Midway

C$ 1,647JetBlue

Tue, 29 Sep - Thu, 1 Oct

8:45 a.m. - 12:46 p.m.BUF Buffalo-ONT Ontario

7h 01m1 stop Denver Intl

1:24 p.m. - 10:43 p.m.ONT Ontario-BUF Buffalo

6h 19m1 stop Denver Intl

C$ 2,525United Airlines

Booking Insights

Price, demand, and travel trends for Buffalo to Ontario flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights from Buffalo to Ontario with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Buffalo to Ontario?

Round-trip flights from Buffalo to Ontario start at C$ 518. Prices are below average for this route right now, with typical round-trip fares ranging from C$ 528 to C$ 911. The lowest price found in the past 5 days was C$ 518 on American Airlines.

What's the cheapest day of the week to fly from Buffalo to Ontario?

Saturday is the cheapest day of the week to fly from Buffalo to Ontario and is 42% cheaper than the average day. Monday is the most expensive day with flight prices 54% higher than average. Based on deals found by KAYAK users in the last 12 months.

Find deals

Low season	February
High season	September
Cheapest flight	C$ 266

Best time to beat the crowds (11% less expensive on average)

Most popular time to fly and prices are also 5% lower on average.

Flights from Buffalo to Ontario

When to book flights from Buffalo to Ontario

Are your dates flexible? Find out the best times to travel from Buffalo to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which cabin classes can I book on flights from Buffalo to Ontario?
Only Economy Class is available on flights from Buffalo to Ontario.
How long does a flight from Buffalo to Ontario take?
A direct flight from Buffalo to Ontario takes 0h 00m, covering 5,612 km.
Do I need a passport to fly from Buffalo to Ontario?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
How much should I expect to pay for a Buffalo to Ontario flight?
Round-trip flights from Buffalo to Ontario range from C$ 528 to C$ 911, with an average of C$ 742 over the past 12 months. Anything below C$ 528 counts as a good deal.
Have flight prices from Buffalo to Ontario changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 518 to C$ 4,872. That means the highest observed fare was about 9x higher than the lowest one.
How are flight prices from Buffalo to Ontario looking right now?
One-way fares from Buffalo to Ontario are currently higher than usual. Average one-way flight prices are about C$ 393, which is 17% above the typical average for this route.
What car rental options are available at Ontario Airport (ONT)?
Ontario Airport (ONT) hosts 5 major car rental companies, with daily rates starting from around C$ 25 for economy cars. Top options include:
• Fox
• Thrifty
• Europcar
• Dollar
• Alamo
Which airports can I use when flying from Buffalo to Ontario?
Flights from Buffalo to Ontario usually depart from Buffalo (BUF) and arrive at Ontario (ONT).
Which airports do connecting flights from Buffalo to Ontario pass through?
One-stop flights from Buffalo to Ontario most commonly connect through:

• Dallas/Fort Worth (DFW) – 46% of one-stop connections
• Denver Intl (DEN) – 19% of one-stop connections
• Baltimore/Washington (BWI) – 15% of one-stop connections
• Chicago Midway (MDW) – 12% of one-stop connections

Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.
Can I save money by using flexible dates for flights from Buffalo to Ontario?
On the Buffalo to Ontario route, being flexible with your departure day can save you up to 63%. Saturday is the cheapest day at C$ 431 round-trip on average, while Monday is the most expensive at C$ 1,148 – a C$ 717 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.
How much time can I save by choosing a different layover airport when travelling from Buffalo to Ontario?
Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 7h 37m, compared with 7h 53m via Chicago Midway (MDW) and 8h 10m via Baltimore/Washington (BWI).
What is the time difference between Buffalo and Ontario?
Ontario is 3 hours behind Buffalo (Pacific Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.
Which popular places can I visit in Ontario?
Ontario Convention Center is one of the most viewed places in Ontario on KAYAK.

If your dates are flexible, aim for a Saturday departure instead of Monday. On this route, Saturday flights average C$ 431 – about C$ 717 less than Monday (62% savings) based on the last 12 months.
If you can choose when to travel, plan your Buffalo to Ontario trip for October. Fares historically average C$ 431 round-trip in that month – typically C$ 537 less than the most expensive month, which is December (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Ontario Airport.
- Azure Hotel & Suites, Trademark Collection by Wyndham
- La Quinta Inn & Suites by Wyndham Ontario Airport
- Ontario Airport Inn

More options for your flight from Buffalo to Ontario

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BUF - ONT

C$ 266 Find Cheap Flights from Buffalo to Ontario – Compare and Save

Everything you should know

Cheap Flights from Buffalo to Ontario (BUF-ONT)

Recent round-trip flight deals from Buffalo to Ontario

Recent one-way flight deals from Buffalo to Ontario

Recent last minute flight deals from Buffalo to Ontario

Price, demand, and travel trends for Buffalo to Ontario flights

How much is a round-trip flight from Buffalo to Ontario?

What's the cheapest day of the week to fly from Buffalo to Ontario?

What is the cheapest airline to fly from Buffalo to Ontario?

What is the most popular layover airport when flying from Buffalo to Ontario?

What is the cheapest layover airport when flying from Buffalo to Ontario?

When flying from Buffalo to Ontario, which airport offers the shortest layover?

Key details for Buffalo to Ontario flights

Low season

High season

Cheapest flight

When to book flights from Buffalo to Ontario

Your Buffalo to Ontario flight questions, answered

Your guide to booking Buffalo to Ontario flights

More options for your flight from Buffalo to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Buffalo to Ontario

Find direct flights to and from Buffalo and Ontario

Flights to other popular destinations